HANNAH HOLBROOK PHD
NPI 1851816185
Psychologist - Clinical in Portland, ME

Q: What is Hannah Holbrook's NPI number?

The NPI number for Hannah Holbrook is 1851816185. It was assigned to this individual provider in the NPPES registry on August 8, 2017.

Q: What is Hannah Holbrook's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Hannah Holbrook was last updated on January 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 08, 2017PECOS Enrolled

1577 CONGRESS ST, PORTLAND, ME 04102(207) 662-5522 Get Directions Write a Review

NPPES record last updated: January 8, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 17, 2018, Aug 8, 2017 (2 updates tracked since 2017).

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About Hannah Holbrook Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HANNAH HOLBROOK PHD (NPI 1851816185) is an individual clinical provider in Portland, Maine, licensed in Maine (PS2550) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851816185

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameHANNAH HOLBROOKCredential: PHD

Location Address1577 CONGRESS STPortland, ME 04102-2169

Mailing Address20 Stony Ridge RdCumberland Foreside, ME 04110-1416 · (978) 844-0727

Phone(207) 662-5522

Sole ProprietorNo

Enumeration DateAugust 8, 2017

Last NPPES UpdateJanuary 8, 20242 updates tracked since enumeration

NPPES CertifiedSeptember 15, 2021

✔ NPI 1851816185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in ME · PS2550

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

1577 CONGRESS ST, Portland, ME 04102

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hannah Holbrook Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Hannah Holbrook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth

1.5 mi

Maternal & Fetal Medicine

887 CONGRESS ST, SUITE 200
Portland, ME 04102

Reassigned Medicare billing, Maine enrollment
3,140 clinicians in this Medicare group

NPI 1063726891 (207) 771-5549

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$169.96 typical visit price

range $56.28 – $169.96

Typical copayment $42.49 (range $14.07 – $42.49)

Most-billed visit code 99205

Established Patient

$99.18 typical visit price

range $18.22 – $138.92

Typical copayment $24.79 (range $4.55 – $34.73)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KASSI MARIE SWALLOW RD, LDN

Dietitian, Registered

1577 CONGRESS ST
PORTLAND, ME 04102

Cumberland County (207) 662-1622

DR. SAMANTHA DUNN D.O.

Pediatrics (Developmental - Behavioral Pediatrics)

1577 CONGRESS ST
PORTLAND, ME 04102

Cumberland County (207) 662-5522

ELIZABETH BARKER PH.D.

Psychologist (School)

1577 CONGRESS ST
PORTLAND, ME 04102

Cumberland County (307) 663-5522

PAMELA M DIETZ MD

Pediatrics

1577 CONGRESS ST
PORTLAND, ME 04102

Cumberland County (207) 662-1622

DR. JENNIFER M DUBAIL MD

Pediatrics

1577 CONGRESS ST, 2ND FLOOR
PORTLAND, ME 04102

Cumberland County (207) 662-1442

ROSEMARIE SMITH MD

Medical Genetics (Clinical Genetics (M.D.))

1577 CONGRESS ST, 2ND FLOOR
PORTLAND, ME 04102

Cumberland County (207) 662-1622

CAROL L HUBBARD M.D.

Pediatrics (Developmental - Behavioral Pediatrics)

1577 CONGRESS ST, 1ST FLOOR
PORTLAND, ME 04102

Cumberland County (207) 662-1622

PHOEBE S SMITH LCSW

Social Worker (Clinical)

1577 CONGRESS ST
PORTLAND, ME 04102

Cumberland County (207) 662-1442

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hannah Holbrook's NPI number?

The NPI number for Hannah Holbrook is 1851816185. It was assigned to this individual provider in the NPPES registry on August 8, 2017.

Where is Hannah Holbrook located?

Hannah Holbrook practices at 1577 Congress St, Portland, ME 04102. The listed phone number is (207) 662-5522.

What is Hannah Holbrook's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Hannah Holbrook enrolled in Medicare?

Yes. Hannah Holbrook is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hannah Holbrook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Holbrook reassigns Medicare benefits to Mainehealth (Portland, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hannah Holbrook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hannah Holbrook accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Hannah Holbrook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hannah Holbrook was last updated on January 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.